How can I install it?
This was the way to do it up through our last LTS; so hopefully it is still good to go:
First, install dependencies:
sudo apt-get install libatk1.0-0 libc6 libcairo2 libfontconfig1 libfreetype6 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk2.0-0 libidl0 libnspr4 libnss3 libpango1.0-0 libpng12-0 libstdc++6 libx11-6 libxft2 libxinerama1 libxrender1 libxt6 zlib1g
Then, get the two packages, and install them in the correct order.
For 32bit systems:
wget https://launchpad.net/ubuntu/+archive/primary/+files/kompozer-data_0.8~b3.dfsg.1-0.1ubuntu2_all.deb
wget https://launchpad.net/ubuntu/+archive/primary/+files/kompozer_0.8~b3.dfsg.1-0.1ubuntu2_i386.deb
sudo dpkg -i kompozer-data_0.8~b3.dfsg.1-0.1ubuntu2_all.deb
sudo dpkg -i kompozer_0.8~b3.dfsg.1-0.1ubuntu2_i386.deb
for 64bit systems:
wget https://launchpad.net/ubuntu/+archive/primary/+files/kompozer-data_0.8~b3.dfsg.1-0.1ubuntu2_all.deb
wget https://launchpad.net/ubuntu/+archive/primary/+files/kompozer_0.8~b3.dfsg.1-0.1ubuntu2_amd64.deb
sudo dpkg -i kompozer-data_0.8~b3.dfsg.1-0.1ubuntu2_all.deb
sudo dpkg -i kompozer_0.8~b3.dfsg.1-0.1ubuntu2_amd64.deb
You should now find Kompozer in the menu. 
Hi mated. I am afraid I got the following error when installing the dependencies:
Package 'libidl0' has no installation candidate
Last release of that package was wily, not going to find it for 16.04.
http://packages.ubuntu.com/wily/libidl0
And the latest Kompozer package release is dated 2010.
http://kompozer.net/
No longer maintained from what I see.
Bummer; sorry… 
Hi @dov,
there are older deb packages for Ubuntu 12.04 available here!:
https://pkgs.org/search/kompozer
Install them using Gdebi and see what messages about dependencies pop up, make a note of the names and search the same site ( https://pkgs.org/ ) for any further necessary packages?. 
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Are there any recommended alternatives for Kompozer?
Frist install synaptic, on synaptic now install libidl-2-0, from here just follow what the frist guy sad changing ‘‘libidl0’’ to the updated version u just install, the ‘‘libidl-2-0’’
the code stay that way :
sudo apt-get install libatk1.0-0 libc6 libcairo2 libfontconfig1 libfreetype6 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk2.0-0 libidl-2-0 libnspr4 libnss3 libpango1.0-0 libpng12-0 libstdc++6 libx11-6 libxft2 libxinerama1 libxrender1 libxt6 zlib1g
just 20 days late… hope it will help some one, i was not able to find any tutorial on the internet
Not sure I follow your message/instructions. I am curious if anyone was successful getting Kompozer to work in UM 16.04?
Nope. That is one of many reasons why I went back to 14.04. Not a vanilla UM 14.04 because, due to bloody “updates” I also cannot get LTSP to now work in UM 14.04 or, indeed, even the flagship variant Ubuntu 14.04. And it certainly is not working in any 16.04 variant. I, instead, have installed Edubuntu 14.04 (which comes with LTSP pre installed), stripped out all of Unity and the Edubuntu apps, splash screen etc, installed UM 1.8 desktop over the top and voila, I now have a working UM 14.04 LTSP server in which, incidentally, Kompozer works perfectly.
See below for a list of programs that are working for me in my modified UM 14.04 but which wont work (or don’t work properly) in any variant of 16.04
Caffeine 2.5
Arios automount
Kompozer
Mintstick
LTSP
Steam
Samba
Oh, and lest I forget, on 14.04 my CPUs are now once again running at around 33 degrees on idle instead of a ridiculous 60+ degrees on idle, as is the case with 16.04
Mine seems to be working. I installed kompozer according to the commands given about two-thirds of the way down the page at this url: https://wiki.ubuntuusers.de/KompoZer/
If you have error messages trying to install libidl0_0.8.14-1, try removing libildl-2-0 0.8.14-4 using synaptic package manager and try again. At least that’s what works for me. I am not aware of any problems yet that might be caused by doing this.
Regards from Herman 
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Yep. lot of the problems that came with 16.04 seem to have been ironed out now. I too have Kompozer now working in 16.04
Kompozer is really old and unmaintained or maybe discontinued. There others to use like Geany or bluefish.
Geany is a (albeit advanced) text editor and Bluefish is the same. As such, they are very poor alternatives for anyone wanting a WYSIWYG web editor in my opinion. It’s just a shame Kompozer is no longer maintained. I still use it, however, and it does still work.
One alternative is to use Libre Office Writer as a WYSIWYG web editor and save as HTML. I have never tried this myself but understand it is an available feature.
The advantage of Kompozer being that you can do both WYSIWYG and code at the same time on screen
So did Kompozer simply install or did you need to tweak some? I am having trouble following the link in @Herman 's post as it is in German.
I swear I had Kompozer working in 16.04 via the installation of Komposer plus some data files. Having forst found it to not work on 16.04. However, I have just rewritten my machine a week or two back and so tried to install Kompozer again, and have hit the missing dependency problem of libil0.
I am going to work on this and get back to you
Okay, the only solution I have found so far is to install Kompozer in a VM and then run in seamless mode. I have used Lubuntu 14.04 because it hogs little by way of extra resources in the background.
It’s not ideal but it works.
Hello stevecook172001
I’m sorry to read you’re still having problems, all I can say is it’s still working for me so far on two different computers. I’m running Ubuntu (MATE) 16.04.1 LTS in both.
Maybe I’m doomed to lose kompozer at the next update or something but I have had kompozer working okay for years up to now.
Somehow I lost kompozer in my laptop for a while following an update and with the two computers side by side I could see the different version of libidl0 in synaptic package manager.
That’s why the commands given in the German Ubuntu users kompozer wiki made sense to me.
You don’t need to be able to understand German. The commands are that matters.
The commands given at the German Ubuntu users kompozer wiki are almost the same as given by our friend mated in the number 2 post in this thread.
I copied them off and pasted then in pluma one above the other to compare the differences.
In the German version, they do not include libidl0 in the list of packages we’re supposed to apt-get install in the first command.
Then later, both sets of instructions give you a different block of commands depending on whether you have a 32-bit or 64-bit system.
The difference is in the German version, they include an extra download.
For the 64-bit system that’s this one here: wget https://launchpad.net/ubuntu/+archive/primary/+files/libidl0_0.8.14-1_amd64.deb
Then they give the command for installing it: sudo dpkg -i libidl0_0.8.14-1_amd64.deb
The rest of the commands are the same as those given by our freind mated in the number 2 post in this thread.
In my case anyway, the solution was to remove llibildl-2-0 0.8.14-4 using synaptic package manager first.
Then install libidl0_0.8.14-1_amd64.deb instead, as per the German commands. Otherwise I kept getting a broken system.
There is also an option in Synaptic under the ‘Package’ menu to ‘lock version’, which I have now activated on libidl0_0.8.14-1
I’ll report back when mine stops working and hopefully it won’t be tomorrow.
Good luck with yours I hope you can get it working normally, I think it’s worth it, I use kompozer almost every day.
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